نتایج جستجو برای: platelet index
تعداد نتایج: 502894 فیلتر نتایج به سال:
We analyzed candidate platelet function disorder genes in 13 index cases with a history of excessive bleeding in association with a significant reduction in dense granule secretion and impaired aggregation to a panel of platelet agonists. Five of the index cases also had mild thrombocytopenia. Heterozygous alterations in FLI1 and RUNX1, encoding Friend leukemia integration 1 and RUNT-related tr...
The results of the Coulter counter S plus II platelet volume analysis were studied in 100 patients with reactive thrombocytosis (platelet count greater than 500 X 10(9)/l), in 30 patients with myeloproliferative thrombocytosis, and in 32 patients with chronic myeloproliferative disease and a platelet count less than 500 X 10(9)/l. Patients with reactive thrombocytosis had considerably lower mea...
between the end of june and the middle of july 2011, an outbreak of cchf occurred in southern part of tehran, iran. this study reports clinical, laboratory fi ndings and outcome of six cases, who were all consanguine. index case who was livestock-worker died with hemorrhagic manifestations; thereafter his pregnant wife, three brothers, mother-in-law and his pregnant sister-in-law were admitted ...
To investigate the effect of sildenafil on platelet function and cyclic guanosine monophosphate (cGMP) levels in patients with erectile dysfunction, we evaluated the association between erectile function and platelet responses after administration of 100 mg sildenafil. Erectile responses were monitored after 8 daily doses of the drug. Adenosine diphosphate (ADP) and collagen-induced platelet ag...
background autologous platelet concentrate has been used to improve the function and regeneration of injured tissues. tendinopathies are common in clinical practice, although long-term treatment is required. on the basis of lead time, we compared the effect of using platelet-rich plasma (prp) and platelet-rich fibrin (prf) in repairing rat achilles tendon. methods the effectiveness of using prp...
background: the purpose of this study was to create biomaterial scaffolds like platelet-rich plasma (prp) and platelet-rich fibrin (prf) containing stromal cell-derived factor-1 (sdf1) as a chemokine to induce hyaline cartilage regeneration of rabbit knee in a full thickness defect. methods: we created a full thickness defect in the trochlear groove of thirty-six bilateral knees of eighteen mat...
abstract background autologus platelet gel is easy to prepare and is relatively low cost. the aim of this study was to prepare and evaluate in vitro efficacy of autologus platelet gel. materials and methods in this experimental study, platelet concentrate and platelet poor plasma were prepared with aphaeresis method. thrombin was prepared by mixing the plasma with calcium. thrombin activity lev...
One of the most serious complications of mechanical valves is obstructive prosthetic valve thrombosis (OPVT or "stuck valve"). Some patients develop OPVT despite an international normalized ratio (INR) in the therapeutic recommended range. We hypothesized that patients who develop OPVT have hyper-reactive platelets. We, therefore, examined platelet reactivity in patients who developed OPVT, des...
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